-44.91% is the change from 285 to 157
Calculation steps:
[( 157 - 285 ) ÷ 285] x 100 = -44.91%
Formula
Percentage change = [(157 - 285) / 285] x 100
Subtract the new number by the original number
157 - 285 = -128
-128 ÷ 285 = -0.44912280701754387
-0.44912280701754387 x 100 = -44.91%